KAS Civil

We’re a trusted civil and earthworks construction company delivering high-quality solutions for government, commercial, and private sector clients. Based on the Lower Yorke Peninsula, we operate across rural South Australia, including Kangaroo Island, with a focus on reliability and regional accessibility. Our services cover everything from large-scale roadworks and subdivisions to dam construction, drainage, and demolition. We take pride in being a fully certified member of the Civil Contractors Federation and follow rigorous ISO 9001 and 14001 standards. Our integrated management system is independently audited to ensure safety, quality, and environmental compliance. With a skilled team and decades of combined experience, we manage each project with precision and care. Whether it’s new infrastructure or essential maintenance, we’re here to build lasting results for communities and industries alike.

Services & Machinery

• Civil construction (large & small projects)
• Sealed and unsealed road building
• Road shoulder reconstruction
• Dam excavation and construction
• Stormwater systems installation
• Sea wall and breakwater construction
• Subdivisions and land development
• Demolition and earthworks
• Drainage and sewer installation
• Project management
• Infrastructure maintenance
• Trenching